1941. Since the Japanese occupation, China has become a wartime intelligence battlefield for the Allies and the Axis Powers. Iconic actress Jean Yu returns to Shanghai, ostensibly to appear in the play 'Saturday Fiction' directed by her former lover. But what is her true aim? As she embarks on her mission, with friends ever more difficult to distinguish from undercover agents, as everything spirals out of control, Jean Yu starts to question whether to reveal what she has learned about in the imminent Pearl Harbor attack.